Chart correction N01/23 — chart 54387

54387 8Ed. 04/30/16 LAST NM N31/22 N01/23 Substitute Beacon BRB, double ball topmark, Fl(2) W 10s 10m 5M AIS [Q130.4] for light 38°37′06″N 26°44′39″E (38(147)22 Istanbul)

Source: NGA U.S. Notice to Mariners · edition: 8Ed. 04/30/16

Reference information — always verify against official Notices to Mariners before navigation.